An Iowa winter isn't one season. It's three or four, and each one calls for different material and tactics. Here's how a typical season usually unfolds in Eastern and Central Iowa. Any given year can differ.
Snowfall normals
| City | Average seasonal snowfall |
|---|---|
| Cedar Rapids | 34.3 in |
| Iowa City | 27.5 in |
| Des Moines | 36.5 in |
NOAA NCEI 1991–2020 normals.1
The season, month by month
First frosts and black-ice mornings on bridges and shaded drives, while the ground is still warm. Anti-icing problem spots with brine is cheap insurance. This is the time to calibrate, pre-buy and fill storage.
Pavement temperatures are often still mild enough for plain rock salt. Freeze-thaw swings around 32°F make refreeze the main headache. Lean on brine and pre-wetting.
The coldest stretch. Subzero mornings and low sun angles push plain salt below its useful range. Treated salt, calcium chloride on walks, and sand on hazardous spots. Plow clean, because chemistry is slow.
Higher sun and warmer pavement help, but March storms can be heavy and wet. Big freeze-thaw swings mean melting by day and glazing by night, especially around snow piles. Watch drainage.
Occasional late snow, usually short-lived on warm pavement. Wrap up the season: sweep and reuse leftover salt, flush beds, wash and store equipment, and review your logs and tons used to plan next year's order.
Next in the guideStorm-readiness checklist →